Biomedical subjects
Publications and source records attributed to S Neelamkavil.
A practical, gram-scale synthesis of L-pyrazinylalanine (Paa) is described, utilizing Schöllkopf's D-valine-derived bis-lactim ether chiral auxiliary.
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In conjunction with sodium borohydride as stoichiometric reagent a catalytic quantity of bis(4-perfluorohexylphenyl) diselenide converts vicinal dimesylates to the corresponding alkenes in good yield on warming in ethanol. The diselenide is recovered in high yield by continuous fluorous extraction.